/*
 * Copyright 2014-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef THRIFT_LIB_CPP_UTIL_FROZENUTIL_H_
#define THRIFT_LIB_CPP_UTIL_FROZENUTIL_H_

#include <folly/File.h>
#include <folly/system/MemoryMapping.h>
#include <thrift/lib/cpp/Frozen.h>

namespace apache { namespace thrift { namespace util {

template<class T,
         class Frozen = typename Freezer<T>::FrozenType>
const Frozen* freezeToFile(const T& value,
                           const folly::MemoryMapping& mapping);

template<class T>
void freezeToFile(const T& value, folly::File file);

template<class T>
void freezeToFile(const T& value, int fd);

template<class T>
void freezeToSparseFile(const T& value,
                        folly::File file,
                        size_t sparseSize = 1L << 30 /* 1 GB */);

template<class T,
         class Frozen = typename Freezer<T>::FrozenType>
const Frozen* mapFrozen(folly::ByteRange mapping);

template<class T,
         class Frozen = typename Freezer<T>::FrozenType>
const Frozen* mapFrozen(const folly::MemoryMapping& mapping);

}}} // apache::thrift

#include <thrift/lib/cpp/util/FrozenUtil-inl.h>

#endif // include guard
